Quote:
Originally Posted by RobBeck
That's ok while idling, but kind of hard to do when driving or more importantly when under high boost. If that secondary check valve is "failing" this test would have to be done on the dyno to capture. Best bet is to locate and bench test the pressure holding capabilities of the secondary check valve... And to keep both check valves in place if the intention is to run the system as it was designed.
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One thing I want to let you know is the checkvalve that we "know" about, the one the OCCs are hooked up to, is not as strong as I thought and doesn't provide a great seal from the other side. I could easily just blow air the opposite side by just blowing out of my mouth into it. I did this on a brand new piece that I put in yesterday when I pulled out my BSH can.